Bright Starts Rattle & Shake Barbell

This colorful rattle comes in a twisted barbell design. The transparent plastic ends hold colorful balls that rattle when baby shakes the toy.
— As of 05/31/2011 this product had 4.7 out of 5 stars from 58 reviews on Amazon.com. Pros: Lightweight; bright colors; easy for small hand to grab; not overly loud.  Cons: The plastic is hard, and one parent complained that their child kept hitting itself in the face, and needed a softer rattle; one reviewer said her baby liked a different rattle that was easier to hold.